.set-layout .sider {
  position: relative;
  overflow: hidden;
  box-shadow: 0px 2px 5px #888888;
  background-color: #e3e4e5;
  width: 60px;
  height: 50px;
  border-radius: 5px;
  margin-right: 20px;
}
.set-layout .sider::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 15%;
  background-color: #fff;
}
.set-layout .sider::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 20%;
  height: 100%;
  background-color: #000;
}
.set-layout .top {
  position: relative;
  overflow: hidden;
  box-shadow: 0px 2px 5px #888888;
  background-color: #e3e4e5;
  width: 60px;
  height: 50px;
  border-radius: 5px;
  margin-right: 20px;
}
.set-layout .top::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 15%;
  background-color: #fff;
}
.set-layout .top::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 20%;
  height: 100%;
  background-color: #000;
}
.set-layout .top::after {
  height: 0;
}
.set-layout .content-sider {
  position: relative;
  overflow: hidden;
  box-shadow: 0px 2px 5px #888888;
  background-color: #e3e4e5;
  width: 60px;
  height: 50px;
  border-radius: 5px;
  margin-right: 20px;
}
.set-layout .content-sider::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 15%;
  background-color: #fff;
}
.set-layout .content-sider::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 20%;
  height: 100%;
  background-color: #000;
}
.set-layout .content-sider::before {
  z-index: 2;
}
.set-menu-theme .dark {
  position: relative;
  overflow: hidden;
  box-shadow: 0px 2px 5px #888888;
  background-color: #e3e4e5;
  width: 60px;
  height: 50px;
  border-radius: 5px;
  margin-right: 20px;
}
.set-menu-theme .dark::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 15%;
  background-color: #fff;
}
.set-menu-theme .dark::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 20%;
  height: 100%;
  background-color: #000;
}
.set-menu-theme .dark::before {
  background-color: #000;
}
.set-menu-theme .sider-light {
  position: relative;
  overflow: hidden;
  box-shadow: 0px 2px 5px #888888;
  background-color: #e3e4e5;
  width: 60px;
  height: 50px;
  border-radius: 5px;
  margin-right: 20px;
}
.set-menu-theme .sider-light::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 15%;
  background-color: #fff;
}
.set-menu-theme .sider-light::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 20%;
  height: 100%;
  background-color: #000;
}
.set-menu-theme .sider-light::before {
  background-color: #000;
}
.set-menu-theme .sider-light::after {
  background-color: #fff;
}
.set-menu-theme .light {
  position: relative;
  overflow: hidden;
  box-shadow: 0px 2px 5px #888888;
  background-color: #e3e4e5;
  width: 60px;
  height: 50px;
  border-radius: 5px;
  margin-right: 20px;
}
.set-menu-theme .light::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 15%;
  background-color: #fff;
}
.set-menu-theme .light::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 20%;
  height: 100%;
  background-color: #000;
}
.set-menu-theme .light::after {
  background-color: #fff;
}
